0001299933-05-006539 8-K 4 20051208 1.01 9.01 20051214 20051214 PEGASYSTEMS INC 0001013857 7374 042787865 MA 1231 8-K 34 001-11859 051263349 101 MAIN ST CAMBRIDGE MA 02142-1590 6173749600 101 MAIN ST CAMBRIDGE MA 02142-1590 8-K 1 htm_8906.htm LIVE FILING EX-99.1 2 exhibit1.htm EX-99.1 EX-99.2 3 exhibit2.htm EX-99.2 EX-99.3 4 exhibit3.htm EX-99.3